Cane Creek AER-Assembly BOT IS47/33 Aluminum Bearing

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This is a replacement bearing for Cane Creek 110 series headsets. The AER headset lower is a great choice for road and mountain applications. A high quality, lightweight, durable headset lower with performance at the forefront. 


  • Steel/Aluminum hybrid bearing 
  • Bottom Head-Tube Diameter: 47mm
  • Crown Race Diameter: 33mm